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authorIan Lance Taylor <ian@airs.com>1999-06-12 16:49:51 +0000
committerIan Lance Taylor <ian@airs.com>1999-06-12 16:49:51 +0000
commitb9e57a387a6bdc15fd8bf477dc4d45131f0307d6 (patch)
tree83767656ddf103d5231f1d4348bb71e6f8401955 /gas
parentd84feeaca53698f5e014813e923abe6807e13f22 (diff)
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* subsegs.c (subseg_text_p): New function.
* as.h (subseg_text_p): Declare. * read.c (do_align): Use subseg_text_p to set the default fill. * write.c (subsegs_finish): Likewise. * config/obj-coff.c (write_object_file): Likewise. * config/tc-i386.h (md_maybe_text): Don't define. (md_do_align): Use subseg_text_p to set the default fill. * config/tc-m32r.c (m32r_do_align): Likewise. * config/tc-sh.c (sh_do_align): Likewise. * config/tc-sparc.h (md_do_align): Likewise.
Diffstat (limited to 'gas')
-rw-r--r--gas/ChangeLog13
-rw-r--r--gas/as.h1
-rw-r--r--gas/config/obj-coff.c5
-rw-r--r--gas/config/tc-i386.h13
-rw-r--r--gas/config/tc-m32r.c2
-rw-r--r--gas/config/tc-sh.c7
-rw-r--r--gas/config/tc-sparc.h2
-rw-r--r--gas/read.c16
-rw-r--r--gas/subsegs.c15
-rw-r--r--gas/write.c3
10 files changed, 42 insertions, 35 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog
index a28308f..865284a 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,16 @@
+1999-06-12 Ian Lance Taylor <ian@zembu.com>
+
+ * subsegs.c (subseg_text_p): New function.
+ * as.h (subseg_text_p): Declare.
+ * read.c (do_align): Use subseg_text_p to set the default fill.
+ * write.c (subsegs_finish): Likewise.
+ * config/obj-coff.c (write_object_file): Likewise.
+ * config/tc-i386.h (md_maybe_text): Don't define.
+ (md_do_align): Use subseg_text_p to set the default fill.
+ * config/tc-m32r.c (m32r_do_align): Likewise.
+ * config/tc-sh.c (sh_do_align): Likewise.
+ * config/tc-sparc.h (md_do_align): Likewise.
+
1999-06-12 David O'Brien <obrien@freebsd.org>
* configure.in: (i[3456]86-*-freebsd*): Now defaults to ELF.
diff --git a/gas/as.h b/gas/as.h
index 4be36cc..e72902b 100644
--- a/gas/as.h
+++ b/gas/as.h
@@ -585,6 +585,7 @@ void subseg_set PARAMS ((segT seg, subsegT subseg));
#ifdef BFD_ASSEMBLER
segT subseg_get PARAMS ((const char *, int));
#endif
+int subseg_text_p PARAMS ((segT));
void start_dependencies PARAMS ((char *));
void register_dependency PARAMS ((char *));
diff --git a/gas/config/obj-coff.c b/gas/config/obj-coff.c
index a6bdaee..e4d51dd 100644
--- a/gas/config/obj-coff.c
+++ b/gas/config/obj-coff.c
@@ -3235,6 +3235,7 @@ write_object_file ()
at the next frag. */
subseg_set (frchain_ptr->frch_seg, frchain_ptr->frch_subseg);
+
#ifndef SUB_SEGMENT_ALIGN
#define SUB_SEGMENT_ALIGN(SEG) 1
#endif
@@ -3242,7 +3243,9 @@ write_object_file ()
md_do_align (SUB_SEGMENT_ALIGN (now_seg), (char *) NULL, 0, 0,
alignment_done);
#endif
- frag_align (SUB_SEGMENT_ALIGN (now_seg), NOP_OPCODE, 0);
+ frag_align (SUB_SEGMENT_ALIGN (now_seg),
+ subseg_text_p (now_seg) ? NOP_OPCODE : 0,
+ 0);
#ifdef md_do_align
alignment_done:
#endif
diff --git a/gas/config/tc-i386.h b/gas/config/tc-i386.h
index 112e4bc..ef778c1 100644
--- a/gas/config/tc-i386.h
+++ b/gas/config/tc-i386.h
@@ -1,5 +1,6 @@
/* tc-i386.h -- Header file for tc-i386.c
- Copyright (C) 1989, 92, 93, 94, 95, 96, 97, 1998 Free Software Foundation.
+ Copyright (C) 1989, 92, 93, 94, 95, 96, 97, 98, 1999
+ Free Software Foundation.
This file is part of GAS, the GNU Assembler.
@@ -432,18 +433,10 @@ extern const struct relax_type md_relax_table[];
extern int flag_16bit_code;
-#ifdef BFD_ASSEMBLER
-#define md_maybe_text() \
- ((bfd_get_section_flags (stdoutput, now_seg) & SEC_CODE) != 0)
-#else
-#define md_maybe_text() \
- (now_seg != data_section && now_seg != bss_section)
-#endif
-
#define md_do_align(n, fill, len, max, around) \
if ((n) && !need_pass_2 \
&& (!(fill) || ((char)*(fill) == (char)0x90 && (len) == 1)) \
- && md_maybe_text ()) \
+ && subseg_text_p (now_seg)) \
{ \
char *p; \
p = frag_var (rs_align_code, 15, 1, (relax_substateT) max, \
diff --git a/gas/config/tc-m32r.c b/gas/config/tc-m32r.c
index 76fb9ab..9a10824 100644
--- a/gas/config/tc-m32r.c
+++ b/gas/config/tc-m32r.c
@@ -245,7 +245,7 @@ m32r_do_align (n, fill, len, max)
{
/* Only do this if the fill pattern wasn't specified. */
if (fill == NULL
- && (now_seg->flags & SEC_CODE) != 0
+ && subseg_text_p (now_seg)
/* Only do this special handling if aligning to at least a
4 byte boundary. */
&& n > 1
diff --git a/gas/config/tc-sh.c b/gas/config/tc-sh.c
index e21962c..2752d03 100644
--- a/gas/config/tc-sh.c
+++ b/gas/config/tc-sh.c
@@ -2192,12 +2192,7 @@ sh_do_align (n, fill, len, max)
int max;
{
if (fill == NULL
-#ifdef BFD_ASSEMBLER
- && (now_seg->flags & SEC_CODE) != 0
-#else
- && now_seg != data_section
- && now_seg != bss_section
-#endif
+ && subseg_text_p (now_seg)
&& n > 1)
{
static const unsigned char big_nop_pattern[] = { 0x00, 0x09 };
diff --git a/gas/config/tc-sparc.h b/gas/config/tc-sparc.h
index 2a05764..d5031f6 100644
--- a/gas/config/tc-sparc.h
+++ b/gas/config/tc-sparc.h
@@ -57,7 +57,7 @@ extern int sparc_pic_code;
#define md_do_align(n, fill, len, max, around) \
if ((n) && (n) <= 10 && !need_pass_2 && !(fill) \
- && now_seg != data_section && now_seg != bss_section) \
+ && subseg_text_p (now_seg)) \
{ \
char *p; \
p = frag_var (rs_align_code, 1 << n, 1, (relax_substateT) 1024, \
diff --git a/gas/read.c b/gas/read.c
index 9b57438..bd471ff 100644
--- a/gas/read.c
+++ b/gas/read.c
@@ -1173,21 +1173,7 @@ do_align (n, fill, len, max)
if (fill == NULL)
{
- int maybe_text;
-
-#ifdef BFD_ASSEMBLER
- if ((bfd_get_section_flags (stdoutput, now_seg) & SEC_CODE) != 0)
- maybe_text = 1;
- else
- maybe_text = 0;
-#else
- if (now_seg != data_section && now_seg != bss_section)
- maybe_text = 1;
- else
- maybe_text = 0;
-#endif
-
- if (maybe_text)
+ if (subseg_text_p (now_seg))
default_fill = NOP_OPCODE;
else
default_fill = 0;
diff --git a/gas/subsegs.c b/gas/subsegs.c
index 70dda27..a8e4b4b 100644
--- a/gas/subsegs.c
+++ b/gas/subsegs.c
@@ -564,6 +564,21 @@ section_symbol (sec)
#endif /* BFD_ASSEMBLER */
+/* Return whether the specified segment is thought to hold text. */
+
+int
+subseg_text_p (sec)
+ segT sec;
+{
+#ifdef BFD_ASSEMBLER
+ return (bfd_get_section_flags (stdoutput, sec) & SEC_CODE) != 0;
+#else
+ return (sec != data_section
+ && sec != bss_section
+ && strcmp (segment_name (sec), ".eh_frame") != 0);
+#endif
+}
+
void
subsegs_print_statistics (file)
FILE *file;
diff --git a/gas/write.c b/gas/write.c
index cd74c70..3a49234 100644
--- a/gas/write.c
+++ b/gas/write.c
@@ -1372,7 +1372,8 @@ subsegs_finish ()
any alignment is meaningless, and, moreover, will look weird
if we are generating a listing. */
frag_align (had_errors () ? 0 : SUB_SEGMENT_ALIGN (now_seg),
- NOP_OPCODE, 0);
+ subseg_text_p (now_seg) ? NOP_OPCODE : 0,
+ 0);
/* frag_align will have left a new frag.
Use this last frag for an empty ".fill".